Basic Types of Dunes - Dune Worlds: How Windblown Sand Shapes Planetary Landscapes - page 84

Fig. 6.23 Linear dunes in the eastern Rub' Al Khali desert,
developing into hooked megabarchans; the reddish sand dunes are
stark against the gravel and clay interdune pans (see Fig. 12.7 ,ofa

nearby area on the UAE/Oman border). Image NASA/GSFC/METI/
Japan Space Systems, and U.S./Japan ASTER Science Team